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EMC5090 - 2.5A Synchronous Buck Li-ion Battery Charger

Description

The EMC5090 is a switch mode lithium-ion battery charger.

It utilities a 1.5MHz synchronous buck converter topology to reduce power dissipation during charging.

The internal MOS switch delivers current up to 2.5A to charge the battery.

Features

  • 2.5A maximum Charge Current.
  • No external MOSFET, sense resistor or blocking Diode Required.
  • Programmable Trickle Charge Termination Timer.
  • Programmable Charge Current.
  • Programmable End-of-Charge Current.
  • Automatic Recharge.
  • Thermistor Input for Temperature Qualified Charging.

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Datasheet preview – EMC5090

Datasheet Details

Part number EMC5090
Manufacturer ESMT
File Size 847.91 KB
Description 2.5A Synchronous Buck Li-ion Battery Charger
Datasheet download datasheet EMC5090 Datasheet
Additional preview pages of the EMC5090 datasheet.

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Full PDF Text Transcription

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ESMT EMC5090 2.5A Synchronous Buck Li-ion Battery Charger General Description The EMC5090 is a switch mode lithium-ion battery charger. It utilities a 1.5MHz synchronous buck converter topology to reduce power dissipation during charging. The internal MOS switch delivers current up to 2.5A to charge the battery. The built in pre-charge safety timer automatically terminates charging once the adjustable time limit has been reached. The EMC5090 includes complete charge termination circuitry, automatic recharge and a ±1% of 4.2V float voltage. This device is available in packages of TQFN-16L (4mmx4mm) for space-saving application. Typical Application Features „ 2.
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